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US Patent 11655679 Downhole drilling tool with a polycrystalline diamond bearing

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 US Patent 11655679 Downhole drilling tool with a polycrystalline diamond bearing

Article

A downhole tool for use in a downhole drill string is provided. The downhole tool includes a rotor movably coupled within a stator, and a drive shaft movably coupled within a bearing housing. The drive shaft has a first end coupled with the rotor and a second end coupled with a drill bit. Bearing assemblies interfaces engagement between the drive shaft and the bearing housing, including polycrystalline diamond elements, each with an engagement surface, and an opposing engagement surface of a non-superhard metal.

Infobox
Is a
Patent
Patent
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
116556790
Date of Patent
May 23, 2023
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Patent Application Number
175183150
Date Filed
November 3, 2021
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Patent Citations
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US Patent 11085488 Tilting pad bearing assemblies, and bearing apparatuses and methods of using the same
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US Patent 7198043 Method for extending diamond tool life in diamond machining of materials that chemically react with diamond
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US Patent 7234541 DLC coating for earth-boring bit seal ring
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US Patent 7311159 PCD face seal for earth-boring bit
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US Patent 7475744 Superabrasive inserts including an arcuate peripheral surface
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US Patent 11187040 Downhole drilling tool with a polycrystalline diamond bearing
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US Patent 7552782 Thrust-bearing assembly
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US Patent 7703982 Bearing apparatuses, systems including same, and related methods
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US Patent 7737377 Slip connection
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US Patent 7845436 Cutting element apparatuses, drill bits including same, methods of cutting, and methods of rotating a cutting element
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US Patent 7870913 Bearing assemblies, and bearing apparatuses and motor assemblies using same
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US Patent 8069933 Bearing assemblies, and bearing apparatuses and motor assemblies using same
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US Patent 8080071 Polycrystalline diamond compact, methods of fabricating same, and applications therefor
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US Patent 8109247 Wear resistant camshaft and follower material
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US Patent 8119240 Metal-free diamond-like-carbon coatings
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US Patent 8277124 Bearing apparatuses, systems including same, and related methods
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US Patent 8277722 Production of reduced catalyst PDC via gradient driven reactivity
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US Patent 8365846 Polycrystalline diamond cutter with high thermal conductivity
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US Patent 8480304 Bearings, bearing apparatus, and systems including the same
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US Patent 8485284 Method for producing a PCD compact
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US Patent 8627904 Thermally stable polycrystalline diamond material with gradient structure
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US Patent 8678657 Polycrystalline diamond bearing pads with bearing portions exhibiting different wear rates and related bearing assemblies and apparatuses
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US Patent 8701797 Bearing assembly for downhole motor
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US Patent 8734550 Polycrystalline diamond compact
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US Patent 8757299 Cutting element and method of forming thereof
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US Patent 8911521 Methods of fabricating a polycrystalline diamond body with a sintering aid/infiltrant at least saturated with non-diamond carbon and resultant products such as compacts
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US Patent 9145743 Cutting elements having cutting edges with continuous varying radii and bits incorporating the same
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US Patent 9222515 Lubricating structure for linear motion guide apparatus
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US Patent 9273381 Polycrystalline diamond compact including a carbonate-catalyzed polycrystalline diamond table and applications therefor
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US Patent 9284980 Heavy load bearings and related methods
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US Patent 9404310 Polycrystalline diamond compacts including a domed polycrystalline diamond table, and applications therefor
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US Patent 9410573 Bearing assemblies
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US Patent 9429188 Bearing assemblies, and related methods
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US Patent 9488221 Bearing assemblies including enhanced selected support for nonuniform loads, bearing apparatuses, and methods of use
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US Patent 9611885 Lubricated superhard bearing assemblies
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US Patent 9643293 Methods of fabricating a polycrystalline diamond body with a sintering aid/infiltrant at least saturated with non-diamond carbon and resultant products such as compacts
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US Patent 9702401 Combination thrust-bearing and radial bearing apparatuses
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US Patent 9732791 Bearing assemblies including tilting bearing elements and superhard sliding bearing elements, bearing assemblies including a substantially continuous bearing element and superhard sliding bearing elements, and related bearing apparatuses and methods
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US Patent 9776917 Coating on PDC/TSP cutter for accelerated leaching
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US Patent 9822523 Heavy load bearings and related methods
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US Patent 9840875 Slide reamer and stabilizer tool
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US Patent 9869135 Sucker rod apparatus and methods for manufacture and use
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US Patent 10113362 Offset shaft bearing assembly
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US Patent 10307891 Attack inserts with differing surface finishes, assemblies, systems including same, and related methods
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US Patent 10294986 Tilting pad bearing assemblies; bearing apparatuses and methods of using the same
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US Patent 10408086 Turbine assembly including at least one superhard bearing
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US Patent 10465775 Cam follower with polycrystalline diamond engagement element
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US Patent 10683895 Systems and devices using hard bearings
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US Patent 10711792 Auxiliary turbomachinery shaft support system and turbomachinery comprising said system
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US Patent 10711833 Hard bearing attachment and alignment systems, apparatus, and techniques
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US Patent 10738821 Polycrystalline diamond radial bearing
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US Patent 10807913 Leached superabrasive elements and leaching systems methods and assemblies for processing superabrasive elements
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US Patent 10968700 Ball transfer mechanism with polycrystalline diamond bearing support
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US Patent 10968703 Devices and systems for reducing cyclical torque on directional drilling actuators
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Patent Primary Examiner
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Kristyn A Hall
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CPC Code
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E21B 4/003
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